3.900" BORE 1.5/1.5/3.0MM GM/HOLDEN LS V8 JJ68008-3900-3 Pro Steel ring sets utilise a high strength alloy steel top ring providing superior bore conformity, complimented by the outstanding seal and wear characteristics of a high velocity plasma moly inlay coating. Top ring weights are under 10 grams, achievable as a result of reduced ring radials and short axial heights helping to minimise cylinder wall drag. set of 8
